<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Demo6</title>
</head>
<body>
    <table border = "1px" cellpadding = "5px" cellspacing = "0px" 
    width = "300px" height = "400px">
        <tr>
            <td align = "center">姓名</td>
            <td align = "center">性别</td>
            <td align = "center">年龄</td>
        </tr>

        <tr>
            <td align = "center">张三</td>
            <td align = "center">男</td>
            <td align = "center">12</td>
        </tr>

        <tr>
            <td align = "center">李四</td>
            <td align = "center">女</td>
            <td align = "center">10</td>
        </tr>
    </table>
</body>
</html>